79278 has 16 divisors (see below), whose sum is σ = 161616. Its totient is φ = 25920.

The previous prime is 79273. The next prime is 79279. The reversal of 79278 is 87297.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79273) by changing a digit.

79278 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (10101).

2⁷⁹²⁷⁸ is an apocalyptic number.

79278 is an abundant number, since it is smaller than the sum of its proper divisors (82338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80808).

79278 is a wasteful number, since it uses less digits than its factorization.

79278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its digits is 7056, while the sum is 33.

The square root of 79278 is about 281.5634919516. The cubic root of 79278 is about 42.9586767241.

It can be divided in two parts, 792 and 78, that multiplied together give a triangular number (61776 = T₃₅₁).

The spelling of 79278 in words is "seventy-nine thousand, two hundred seventy-eight".